Classifies a document into categories.
HTTP request
POST https://language.googleapis.com/v2/documents:classifyText
The URL uses gRPC Transcoding syntax.
Request body
The request body contains data with the following structure:
| JSON representation |
|---|
{
"document"
:
{
object (
|
| Fields | |
|---|---|
document
|
Required. Input document. |
Response body
The document classification response message.
If successful, the response body contains data with the following structure:
| JSON representation |
|---|
{
"categories"
:
[
{
object (
|
| Fields | |
|---|---|
categories[]
|
Categories representing the input document. |
language
|
The language of the text, which will be the same as the language specified in the request or, if not specified, the automatically-detected language. See [Document.language][] field for more details. |
language
|
Whether the language is officially supported. The API may still return a response when the language is not supported, but it is on a best effort basis. |
Authorization scopes
Requires one of the following OAuth scopes:
-
https://www.googleapis.com/auth/cloud-language -
https://www.googleapis.com/auth/cloud-platform
For more information, see the Authentication Overview .

